A Candidate Key Must Satisfy All of the Following Conditions

question 92

Multiple Choice

A candidate key must satisfy all of the following conditions EXCEPT:

• A) the key must uniquely identify the row.
• B) the key must indicate the row's position in the table.
• C) the key must be nonredundant.
• D) each nonkey attribute is functionally dependent upon it.

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Definitions:

Internal Rate Of Return

A financial metric used to evaluate the profitability of an investment, representing the interest rate where the net present value of all cash flows is zero.

Salvage Value

The calculated leftover value of an asset once it has reached the end of its service life.

Payback Period

The amount of time it takes for an investment to generate an amount of income or cash equivalent to the cost of the investment, used to evaluate the efficiency of an investment.

Useful Life

The estimated time period that an asset is expected to be usable for its intended purpose, impacting depreciation calculations.